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when tblgen fills in all the subgroup info, clang is ready for it.

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This depends on r69249 of llvm.

llvm-svn: 69250
This commit is contained in:
Chris Lattner 2009-04-16 00:53:55 +00:00
parent 13507d6cba
commit e82c3cc848
1 changed files with 24 additions and 11 deletions
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35
clang/tools/clang-cc/Warnings.cpp
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@ -18,10 +18,7 @@
// //
// Each warning option controls any number of actual warnings. // Each warning option controls any number of actual warnings.
// Given a warning option 'foo', the following are valid: // Given a warning option 'foo', the following are valid:
// // -Wfoo, -Wno-foo, -Werror=foo
// -Wfoo -> alias of -Wfoo=warn
// -Wno-foo -> alias of -Wfoo=ignore
// -Werror=foo -> alias of -Wfoo=error
// //
#include "clang-cc.h" #include "clang-cc.h"
#include "clang/Basic/Diagnostic.h" #include "clang/Basic/Diagnostic.h"
@ -44,8 +41,9 @@ static llvm::cl::opt<bool> OptPedanticErrors("pedantic-errors");
static llvm::cl::opt<bool> OptNoWarnings("w"); static llvm::cl::opt<bool> OptNoWarnings("w");
struct WarningOption { struct WarningOption {
const char *Name; const char *Name;
const short *Members; const short *Members;
const char *SubGroups;
}; };
#define GET_DIAG_ARRAYS #define GET_DIAG_ARRAYS
@ -66,6 +64,25 @@ static bool WarningOptionCompare(const WarningOption &LHS,
return strcmp(LHS.Name, RHS.Name) < 0; return strcmp(LHS.Name, RHS.Name) < 0;
} }
static void MapGroupMembers(const WarningOption *Group, diag::Mapping Mapping,
Diagnostic &Diags,
llvm::SmallVectorImpl<unsigned short> &ControlledDiags) {
// Option exists, poke all the members of its diagnostic set.
if (const short *Member = Group->Members) {
for (; *Member != -1; ++Member) {
Diags.setDiagnosticMapping(*Member, Mapping);
ControlledDiags.push_back(*Member);
}
}
// Enable/disable all subgroups along with this one.
if (const char *SubGroups = Group->SubGroups) {
for (; *SubGroups != (char)-1; ++SubGroups)
MapGroupMembers(&OptionTable[(unsigned char)*SubGroups], Mapping,
Diags, ControlledDiags);
}
}
bool clang::ProcessWarningOptions(Diagnostic &Diags) { bool clang::ProcessWarningOptions(Diagnostic &Diags) {
Diags.setSuppressSystemWarnings(true); // Default to -Wno-system-headers Diags.setSuppressSystemWarnings(true); // Default to -Wno-system-headers
Diags.setIgnoreAllWarnings(OptNoWarnings); Diags.setIgnoreAllWarnings(OptNoWarnings);
@ -125,7 +142,7 @@ bool clang::ProcessWarningOptions(Diagnostic &Diags) {
OptStart = Specifier; OptStart = Specifier;
} }
WarningOption Key = { OptStart, 0 }; WarningOption Key = { OptStart, 0, 0 };
const WarningOption *Found = const WarningOption *Found =
std::lower_bound(OptionTable, OptionTable + OptionTableSize, Key, std::lower_bound(OptionTable, OptionTable + OptionTableSize, Key,
WarningOptionCompare); WarningOptionCompare);
@ -135,11 +152,7 @@ bool clang::ProcessWarningOptions(Diagnostic &Diags) {
continue; continue;
} }
// Option exists, poke all the members of its diagnostic set. MapGroupMembers(Found, Mapping, Diags, ControlledDiags);
for (const short *Member = Found->Members; *Member != -1; ++Member) {
Diags.setDiagnosticMapping(*Member, Mapping);
ControlledDiags.push_back(*Member);
}
} }
// If -pedantic or -pedantic-errors was specified, then we want to map all // If -pedantic or -pedantic-errors was specified, then we want to map all